2014 Infiniti QX70 Performance

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Performance

The Infiniti QX70 isn't just powerful and quick to take off from stoplights. It's one of the few crossovers that feels at home on a curvy mountain road; with underpinnings derived from Infiniti's sport sedan, it drives with a poise that's almost foreign to this kind of vehicle.

You don't need the V-8 if you want a vehicle with a lot of get-up-and-go. In '3.7' models, the 3.7-liter, 328-hp V-6 is shared with other Infinitis; and while it's not quite as smooth as the V-6 engines found in some other crossovers, it allows acceleration to 60 mph in the low 7.0-second range.

If you want the dynamic prowess of a sport sedan, with just a little bad-boy attitude, the 2014 Infiniti QX70 is the right pick among crossovers.

The QX70 is one vehicle that's at its best in base form, in our opinion; adding all-wheel drive piles on a couple hundred pounds, and if it's all-weather traction you need, you're probably better off getting something a little less performance-oriented. Beware that the systems still have a rear bias, plus low-profile performance tires, so the FX isn't a great Snow Belt crossover. We've also noted that AWD models have a somewhat less communicative steering feel, and the QX70 5.0 AWD feels (and is) hundreds of pounds heavier.

So-called 5.0 models add Infiniti's 390-hp, 5.0-liter V-8 and standard all-wheel drive. Those models have a different feel--quite a bit heavier yet, but fast in a blistering, muscle-car sense. They're more than a second faster to 60 mph, plus plenty of bad-boy attitude here, but this engine's appetite for premium fuel and the more cumbersome feel overall point back to the V-6 models.

Throughout the model line, a seven-speed automatic shifts quickly and smoothly; there's also a sport mode and rev matching. Left in D, the QX70 doesn't go out of its way to snap off downshifts until you're more than a quarter-deep into the throttle--where it lets out a rasp and leaps forward with some mild shift shock.

Despite the chunky curb weight (4,200 pounds minimum), the QX70 handles as if it's considerably lighter, and they have a sense of poise and balance on a curvy road that's better than most other SUVs and crossovers.

The QX70 also offers an adaptive set of shocks along with an active rear-steer system, which come with 21-inch wheels; these upgrades add cost and complexity, and don't necessarily net the major handling gains to justify either.

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